ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,915, issued on Aug. 11, was assigned to TPK Advanced Solutions Inc. (Xiamen, China).

"Touchpad device" was invented by Cai Jin Ye (Xiamen City, China), Tsai Kuei Wei (Hsinchu County, Taiwan), Wei Yi Lin (Taoyuan City, Taiwan) and Chen Hsin Chang (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A touchpad device includes a first assembly, a second assembly, and a plurality of elastic members. The first assembly includes a cover plate, an adhesive layer, and a circuit board. The cover plate has a bonding area and a non-bonding area. The adhesive layer is disposed under the cover plate and has a plurality of closed slots correspondi...